or arch·banc

noun, plural arche·bancs [arsh-bahn] /arʃˈbɑ̃/, French Furniture.
  1. a bench or settle of the medieval and Renaissance periods, wide enough for several persons and having a seat with a chest beneath, arms at the ends, and a high back.

Origin of archebanc

From French; see origin at arch1, arca, bank3 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018